C111123313121111121111331333133313331333133313331333133313231313331312331   >>    C11112331312111112111133133313331333133313331333133313331323131333131233   <<    C111123313121111121111331333133313331333133313331333133313231313331312333   >>      C111123313121111121111331333133313331333133313331333133313231313331312332   >>